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https://issues.apache.org/jira/browse/BEAM-6670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ismaël Mejía resolved BEAM-6670.
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Resolution: Fixed
Fix Version/s: 2.13.0
> Add `withOutputParallelization` option to disable reparallelization of
> JdbcIO.Read
> ----------------------------------------------------------------------------------
>
> Key: BEAM-6670
> URL: https://issues.apache.org/jira/browse/BEAM-6670
> Project: Beam
> Issue Type: Wish
> Components: io-java-jdbc
> Reporter: Mike Pedersen
> Assignee: Mike Pedersen
> Priority: Minor
> Fix For: 2.13.0
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> I'm doing approx. 20 JDBC queries against a database and then joining them
> together in a group by. Every single one of these queries does a reshuffle,
> which is sort of useless due to them being fed to a CoGroupByKey immediately
> afterwards.
> Reshuffle by default seems sensible by the principle of least surprise, but
> it would be nice to have a way to disable it when it's not necessary. For
> example a "withReshuffle(boolean)" method.
> This should be an easy addition and I am willing to add this if it sounds
> reasonable enough.
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